The 31-year-old missed two matches at the end of January with his mother in ill health.
The striker said:
Everyone was giving a lot of love to me, my mum and my family,I have to say thank you to everyone at the club, and the fans.
Aubameyang opened the scoring in the 14th minute before doubling his side’s advantage from the spot towards the end of the first half.
Right-back Hector Bellerin grabbed a third on the stroke of half-time, with Aubameyang completing his first Premier League hat-trick with a header moments after the restart.
But from 4-0 down Leeds grabbed two second-half goals through Pascal Struijk and substitute Helder Costa to give Arsenal a late scare.